'xxx' definitions:

Definition of 'xxx'

From: WordNet
adjective
Being ten more than twenty [syn: thirty, 30, xxx]
noun
The cardinal number that is the product of ten and three [syn: thirty, 30, XXX]
noun
(genetics) abnormal complement of three X chromosomes in a female

Definition of 'xxx'

From: GCIDE
  • xxx \xxx\, adj. The Roman number representing thirty; -- in the postposition, designating the thirtieth in a series.
  • Syn: thirty, 30. [WordNet 1.5]

Definition of 'xxx'

From: GCIDE
  • xxx \xxx\, adj. [by reduplication of the "X" used in some movie-rating systems.] Very obscene or pornographic.
  • Syn: X-rated, obscene, pornographic. [WordNet 1.5]